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Class 477/107 - Engine controlled by transmission


Subclass of Class 477 - Interrelated power delivery controls, including engine control
Definition: Subject matter wherein means is provided to regulate a supply of energy
No. of patents: 534
Last issue date: 05/22/2012


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NumberTitleIssue Date
8182395Method for adapting vehicle drivetrain control based on a measured PTO load
A method for adapting a drive train based upon a PTO load is provided. The method includes continually during vehicle driving determining a torque magnitude indicative of said power take off unit's torque consumption by sensing a fluid pressure produced by a power t...
05/22/2012
8147377Control strategy for multi-mode vehicle propulsion system
A method for controlling a vehicle operation in the transmission lash region. One method includes transitioning a combustion mode of a cylinder, and varying a timing of said transition responsive to whether the transmission is operating within the lash region of the...
04/03/2012
8137240Clutch engagement process in which the target angle is controlled
A method for engaging a drive shaft of a turbo engine with an output shaft by means of a clutch is provided. The turbo engine is run up to a rotational speed that is subsynchronous to the speed of the output shaft and is maintained at the steady speed before a signa...
03/20/2012
8133153Transmission scheduling for multi-stroke engine
A multi-mode internal combustion engine is described. As one example, the engine may be transitioned between a two stroke mode and a four stroke mode in coordination with a transmission shift by adjusting a number of strokes performed by the engine per combustion cy...
03/13/2012
8123658Continuously variable transmission, vehicle having the continuously variable transmission, and control device and control method for the continuously variable transmission
Restriction of hunting in the gear ratio of an electronically-controlled continuously variable transmission (ECVT) for a vehicle. A gear ratio change mechanism has a crankshaft as an input shaft, an output shaft and a motor. The motor continuously varies the gear ra...
02/28/2012
8118706Machine having a multiple-ratio transmission
The machine may have a power system that includes a prime mover, a multiple-ratio transmission, a propulsion device, and power-system controls. The method may include propelling the machine by transmitting power from the prime mover to the propulsion device through ...
02/21/2012
8096920Transmission scheduling for multi-stroke engine
An approach is described that coordinates transmission shifting with changing between two-stroke and four-stroke combustion to improve shift and drive performance. In one example, responsive to a driver tip-in, the system may transition the engine to a two-stroke co...
01/17/2012
8062179Method for exiting an engine-idle driving mode in a heavy land vehicle
Method for exiting an engine-idle driving mode in a heavy land vehicle having an automatic transmission. The engine-idle driving mode is established in the vehicle when the engine is running substantially constantly at idle speed and a gear is engaged propelling the...
11/22/2011
8016722Process and device for controlling a gearsift of an automatic gearbox
A method for controlling an automatic transmission, which allows changing a gear change and downshifting with minimal interruption of traction while the phase of reduction of the drive torque of the drive motor, the phase interruption of the frictional connection ph...
09/13/2011
8012062Apparatus and method of engine torque control during power take-off operation in a motor vehicle
An apparatus and method is provided for controlling torque in a powertrain having an engine and a transmission capable of operating a power take-off unit. The apparatus includes: a controller selectively operable to send a power take-off unit activation request to a...
09/06/2011
7993242Machine control system with directional shift management
A method is provided for operating a power system. The method includes receiving an operator request for a propulsion direction change. The method also includes selecting a power boost map in response to the propulsion direction change request. The power boost map i...
08/09/2011
7972242Vehicle trajectory control system
Systems and methods for controlling a throttle plate to adjust airflow to the engine are provided. A transmission having an input speed and an output speed and including a clutch and a driver-selectable transmission lever is controlled to adjust engine speed to a sy...
07/05/2011
7967725Method for controlling a power assisted propulsion system in a motor vehicle
A method for controlling a power assisted propulsion system in a motor vehicle so as to perform a transition from a lower gear to a higher gear without interrupting a driving torque applied to driving wheels; the propulsion system displays an internal combustion eng...
06/28/2011
7963883Propulsion system for skidder
A skidder having a diesel engine coupled to a multiple gear ratio transmission driving a pair of wheel sets for a skidder. The diesel engine is controlled by an operator manipulated foot pedal or hand lever to control the power output and ultimately the maximum skid...
06/21/2011
7946956Braking/driving force control device
A braking/driving force control device for changing output torque by controlling torque or a rotation number of a power source includes a unit for setting a plurality of ranges by a plurality of parameters including an output rotation number, a range judging unit th...
05/24/2011
7918763Control strategy for multi-mode vehicle propulsion system
A method for controlling a vehicle operation in the transmission lash region. One method includes transitioning a combustion mode of a cylinder, and varying a timing of said transition responsive to whether the transmission is operating within the lash region of the...
04/05/2011
7909732Selectable drivetrain control for a vehicle
A selectable drivetrain control for a vehicle includes a controller configured to receive input signals and issue predetermined output command signals corresponding to the status of the input signals. A first sensor is configured to provide an input signal to the co...
03/22/2011
7871354Method for increasing the spontaneity of overlapping shifting operations in an automatic transmission
A procedure for increasing the readiness of crossover gearshifts in an automatic transmission which, with the switching command or immediately thereafter, a motor fueling is provided through which a snatch operation of the disengaging switching element and/or an inc...
01/18/2011
7846062Control system and vehicle including the same
A motorcycle includes a transmission, a CPU, an engine, a load sensor and a notification lamp. The load sensor detects a shift operation by a driver. When the shift operation is performed by the driver, an output of the engine is adjusted by the CPU so that a torque...
12/07/2010
7789796Method for controlling idle stop mode in hybrid electric vehicle
A method for controlling an idle stop mode in a hybrid electric vehicle includes performing an engine RPM lift-up control to raise an engine RPM if a deceleration is less than a medium deceleration when a speed of a hybrid electric vehicle reaches an idle stop mode ...
09/07/2010
7775934Control system and method for internal combustion engine
A control system and method for an internal combustion engine includes an intake manifold for directing airflow to a plurality of cylinders of the engine and an electronically controlled throttle valve disposed within the intake manifold for regulating airflow into ...
08/17/2010
7771313Vehicle trajectory control system
A system, comprising an engine having an electronically controlled throttle plate to adjust airflow to the engine; a transmission having an input speed and an output speed, the transmission including a clutch and the transmission coupled to the engine; and a control...
08/10/2010
7771312Selectable drivetrain control for a vehicle
A selectable drivetrain control for a vehicle includes a controller configured to receive input signals and issue predetermined output command signals corresponding to the status of the input signals. A first sensor is configured to provide an input signal to the co...
08/10/2010
7744503Enigne-driven work machine
An engine-driven work machine having a target engine speed selection unit and a control unit. The target engine speed selection unit selects and specifies an arbitrary target engine speed from among a plurality of target engine speeds that is set in stepwise fashion...
06/29/2010
7731629Control apparatus for vehicle and method of controlling vehicle
An engagement-pressure control portion and a first torque decrease control portion are provided. The engagement-pressure control portion controls an engagement pressure for a friction engagement element to be engaged when an automatic transmission upshifts so that t...
06/08/2010
7731628Control apparatus for vehicle and method of controlling vehicle
A control apparatus for a vehicle includes an engagement-pressure control portion that increases the engagement pressure to a predetermined pressure for a friction engagement element to be engaged during a torque phase of an upshift in an automatic transmission. Whe...
06/08/2010
7727113Controller and control method of vehicle
An ECU executes a program sets a driver requested torque based on the accelerator operation amount, and sets a torque-boost amount so that the torque-boost amount increases as the driver requested torque increases, until the driver requested torque exceeds a predete...
06/01/2010
7717822Method for the operation of a drivetrain
A method for operation of a drivetrain, comprising an automatic transmission and a drive motor, for improving the shift speed of successive upshifts or downshifts such that during a first shift at least one shift element required for a successive shift is prepared s...
05/18/2010
7645210Control apparatus for an automatic transmission and related control method
In executing an ETC cooperative downshift operation based on a driver's intent to decelerate, this system executes an engine output increasing control (e.g. a combination of a throttle opening control and a fuel injection restoring control) for increasing the engine...
01/12/2010
7637844Automatic transmission control system
An automatic transmission control system is provided with a disengagement malfunction determining section and a disengagement malfunction preventing section in an automatic transmission in which the frictional engaging elements are selectively engaged and disengaged...
12/29/2009
7635316Control device and method for automatic transmission
A hydraulic pressure of each corresponding one of a plurality of friction elements of a gear shift mechanism of the automatic transmission is controlled to downshift the gear shift mechanism from a current gear stage to a next gear stage, at which an engine brake is...
12/22/2009
7632212Hybrid vehicle and control method of the same
In the case of the on setting of an eco switch signal ESW, when a torque demand Tr* is less than a good fuel consumption-assuring minimum torque Temin, the hybrid vehicle of the invention stops the operation of an engine and controls a motor MG2 to output a r...
12/15/2009
7614977Vehicle power train control apparatus
A vehicle power train control apparatus is provided that basically comprises an output characteristics changing section, an operation mode determining section and a control section. The output characteristics changing section changes engine output characteristics of...
11/10/2009
7578766Apparatus and method for controlling automatic transmission
An apparatus and a method for controlling an automatic transmission that executes the learning of a shift point and provides an optimal upshift even when a vehicle is driven under conditions where resistance to driving varies greatly, such as when going up or down a...
08/25/2009
7563195Speed change control device and speed change control method for automatic transmission for vehicle
Since there are provided an inertia phase final period decision unit which decides whether or not the final period of the inertia phase of a speed change is currently occurring, a return control unit which, taking an affirmative result of this decision as a starting...
07/21/2009
7556585Machine drive line overspeed protection method
A method of controlling driveshaft speed includes generating an overspeed protection action signal if an engine speed limit and a requested transmission gear ratio correspond to a driveshaft overspeed condition. An operating method for a machine includes disengaging...
07/07/2009
7549946Shift control apparatus and shift control method of automatic transmission of vehicle
The invention relates to a shift control apparatus for an automatic transmission, that executes a torque reduction control when the transmission executes a second downshift in response to a second downshift determination made during first downshift. The shift contro...
06/23/2009
7534196Automatic stop device and method for internal combustion engine
An ECU executes a program including the steps of detecting a stroke amount SP of a clutch pedal, a value I of current flowing through a solenoid valve of a normally-closed type provided at a pipe coupling a master cylinder and a clutch release cylinder, and a stroke...
05/19/2009
7517301Method and code for determining selecting gear ratio of manual transmission
A method and associated computer-executable code for controlling an automotive powertrain featuring a manual transmission determines a current transmission output speed based at least in part on the vehicle speed achieved in response to a torque request signal; dete...
04/14/2009
7510504Vehicle trajectory control system
A method for controlling an engine coupled to a transmission is described. A method is described for adjusting an engine operating parameter to maintain transmission input speed at or below a synchronous transmission input speed. The synchronous transmission input s...
03/31/2009
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